Home / 3,615,419.49-5,423,161.02-919,747.56

Finding the Fourth Proportional to 3,615,419.49, 5,423,161.02 and 919,747.56

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Solution

The fourth proportional to 3,615,419.49, 5,423,161.02 and 919,747.56 is: 1,379,629.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615,419.49 : 5,423,161.02 = 919,747.56 : x
  2. Step 2: Convert to fraction form
    3,615,419.49/5,423,161.02 = 919,747.56/x
  3. Step 3: Cross multiply
    3,615,419.49x = 5,423,161.02 × 919,747.56
  4. Step 4: Simplify right side
    3,615,419.49x = 4,987,939,115,632.11
  5. Step 5: Solve for x
    x = 4,987,939,115,632.11/3,615,419.49
  6. Step 6: Final answer
    x = 1,379,629.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.